Torisawa, Yasuhiro: search on Z-Library

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1

Cyclopentyl Methyl Ether as a New and Alternative Process Solvent

Watanabe, Kiyoshi, Yamagiwa, Noriyuki, Torisawa, Yasuhiro

Journal:

Organic Process Research & Development

Year:

2007

Language:

english

File:

PDF, 388 KB

english, 2007

2

Improved Pinner Reaction with CPME as a Solvent

Watanabe, Kiyoshi, Kogoshi, Naoto, Miki, Hideaki, Torisawa, Yasuhiro

Journal:

Synthetic Communications

Year:

2009

Language:

english

File:

PDF, 188 KB

english, 2009

3

New Approaches to Total Synthesis of Manzamine A, Ircinal A and Related Compounds.

Nakagawa, Masako, Torisawa, Yasuhiro, Uchida, Hideharu, Nishida, Atsushi

Journal:

Journal of Synthetic Organic Chemistry Japan

Year:

1999

Language:

english

File:

PDF, 1.27 MB

english, 1999

4

ChemInform Abstract: Construction of Chiral 1,2-Cycloalkanopyrrolidines from L-Proline Using Ring Closing Metathesis (RCM).

Mitsuhiro Arisawa, Maki Takahashi, Emiko Takezawa, Takenobu Yamaguchi, Yasuhiro Torisawa, Atsushi Nishida, Masako Nakagawa

Journal:

Year:

2001

File:

PDF, 29 KB

2001

5

A Study on the Conversion of Indanones into Carbostyrils.

Yasuhiro Torisawa, Takao Nishi, Jun-ichi Minamikawa

Journal:

Year:

2003

File:

PDF, 83 KB

2003

6

Investigation on the coupling reactions of aryltriflates with aromatic amines: Selection of the metal catalyst

Yasuhiro Torisawa, Akihiro Hashimoto, Takuya Furuta, Jun-ichi Minamikawa

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

1997

Language:

english

File:

PDF, 208 KB

english, 1997

7

Glycosylation of sialyl acetates with a novel catalyst combination: Bismuth triflate and BF3·OEt2 system

Kiyoshi Ikeda, Yasuhiro Torisawa, Takao Nishi, Junichi Minamikawa, Kiyoshi Tanaka, Masayuki Sato

Journal:

Bioorganic & Medicinal Chemistry

Year:

2003

Language:

english

File:

PDF, 138 KB

english, 2003

8

Novel reactivities on tert-butyldimethylsilyl and tert-butyldiphenylsilyl ethers; Application to the synthesis of 11-epi-PGF2.ALPHA..

TORISAWA, YASUHIRO, SHIBASAKI, MASAKATSU, IKEGAMI, SHIRO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1983

File:

PDF, 951 KB

1983

9

The acetylation of 3-acylindoles.

HINO, TOHRU, TORISAWA, YASUHIRO, NAKAGAWA, MASAKO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1982

File:

PDF, 852 KB

1982

10

ChemInform Abstract: New Approaches to Total Synthesis of Manzamine A, Ircinal A and Related Compounds

Masako Nakagawa, Yasuhiro Torisawa, Hideharu Uchida, Atsushi Nishida

Journal:

Year:

2000

File:

PDF, 26 KB

2000

11

ChemInform Abstract: Aldehyde Bis-arylation by Metal Triflates Including Bismuth Triflate Powder.

Yasuhiro Torisawa, Takao Nishi, Jun-ichi Minamikawa

Journal:

Year:

2001

File:

PDF, 27 KB

2001

12

A total synthesis of manzamine C and its geometrical isomer

Yasuhiro Torisawa, Akihiro Hashimoto, Masako Nakagawa, Hiroko Seki, Ritsuko Hara, Tohru Hino

Journal:

Year:

1991

Language:

english

File:

PDF, 837 KB

english, 1991

13

An easy access to the optically active azocine derivatives

Yasuhiro Torisawa, Yumiko Motohashi, Jian Ma, Tohru Hino, Masako Nakagawa

Journal:

Tetrahedron Letters

Year:

1995

Language:

english

File:

PDF, 120 KB

english, 1995

14

AN IMPROVED ROUTE TO (+)-9(O)-METHANO-Δ 6(9α) -PROSTAGLANDIN-I 1 (ISOCARBACYCLIN)

Torisawa, Yasuhiro, Okabe, Hiromitsu, Shibasaki, Masakatsu, Ikegami, Shiro

Journal:

Chemistry Letters

Year:

1984

Language:

english

File:

PDF, 6.41 MB

english, 1984

15

Continuing efforts on the improvement of Beckmann rearrangement of indanone oxime

Yasuhiro Torisawa, Takao Nishi, Jun-ichi Minamikawa

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2007

Language:

english

File:

PDF, 203 KB

english, 2007

16

Diels-Alder reactions of dihydropyridinones: synthetic entry to the manzamine A tricyclic core

Torisawa, Yasuhiro, Nakagawa, Masako, Hosaka, Toshihiro, Tanabe, Kiyoshi, Lai, Ziping, Ogata, Koreharu, Nakata, Tadashi, Oishi, Takeshi, Hino, Tohru

Journal:

Journal of Organic Chemistry

Year:

1992

Language:

english

File:

PDF, 1.03 MB

english, 1992

17

Versatile Synthetic Processes in Aqueous Media: Trends and Future Prospects

Yasuhiro Torisawa

Journal:

Year:

2003

File:

PDF, 51 KB

2003

18

Synthesis of 9(0)-Methano-Δ6(9α)-PGI1: The highly potent carbon analog of prostacyclin

Masakatsu Shibasaki, Yasuhiro Torisawa, Shiro Ikegami

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 227 KB

english, 1983

19

Lewis Acid Catalyzed Diels-Alder Reaction of 3-Phenylthio-2-quinolinones with Siloxydiene. Synthesis of the Intermediate for Dynemicin A Core.

NAGATA, Toshiaki, KOIDE, Yuuki, NARA, Kazumasa, ITOH, Etsuko, ARISAWA, Mitsuhiro, NARUTO, Shunji, TORISAWA, Yasuhiro, HINO, Tohru, NAKAGAWA, Masako

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1996

File:

PDF, 480 KB

1996

20

ChemInform Abstract: Beneficial Effect of Cesium Salts on Pd-Catalyzed Hydroxycarbonylation.

Yasuhiro Torisawa, Takao Nishi, Jun-ichi Minamikawa

Journal:

Year:

2001

File:

PDF, 28 KB

2001

21

A study on the conversion of indanones into carbostyrils

Yasuhiro Torisawa, Takao Nishi, Jun-ichi Minamikawa

Journal:

Bioorganic & Medicinal Chemistry

Year:

2003

Language:

english

File:

PDF, 167 KB

english, 2003

22

Conversion of indanone oximes into isocarbostyrils

Yasuhiro Torisawa, Shinji Aki, Jun-ichi Minamikawa

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2007

Language:

english

File:

PDF, 142 KB

english, 2007

23

Aminocarbonylation route to tolvaptan

Yasuhiro Torisawa, Takuya Furuta, Takao Nishi, Shinji Aki, Jun-ichi Minamikawa

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2007

Language:

english

File:

PDF, 115 KB

english, 2007

24

Novel and effective methods for α-thioalkylation of aromatic compounds

Yasuhiro Torisawa, Atsushi Satoh, Shiro Ikegami

Journal:

Tetrahedron Letters

Year:

1988

Language:

english

File:

PDF, 220 KB

english, 1988

25

Modulation of the Cs2CO3-promoted catalytic amination by a crown ether

Yasuhiro Torisawa, Takao Nishi, Jun-ichi Minamikawa

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2000

Language:

english

File:

PDF, 106 KB

english, 2000

26

EFFICIENT INVERSIONS OF SECONDARY ALCOHOLS USING CESIUM ACETATE AND 18-CROWN-6

Torisawa, Yasuhiro, Okabe, Hiromitsu, Ikegami, Shiro

Journal:

Chemistry Letters

Year:

1984

Language:

english

File:

PDF, 3.20 MB

english, 1984

27

α-BROMOALLYLSTANNANES AS SYNTHETIC TOOLS: PREPARATIONS AND REACTIVITIES

Shibasaki, Masakatsu, Suzuki, Hideyuki, Torisawa, Yasuhiro, Ikegami, Shiro

Journal:

Chemistry Letters

Year:

1983

Language:

english

File:

PDF, 5.80 MB

english, 1983

28

Dihydropyridinone approach to manzamines: An expedient construction of the tetracyclic core of manzamine A

Masako Nakagawa, Yasuhiro Torisawa, Toshihiro Hosaka, Kiyoshi Tanabe, Tadamasa Da-te, Kimio Okamura, Tohru Hino

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 297 KB

english, 1993

29

Pd-catalyzed oxidative amidation of aldehydes with hydrogen peroxide

Yutaka Suto, Noriyuki Yamagiwa, Yasuhiro Torisawa

Journal:

Tetrahedron Letters

Year:

2008

Language:

english

File:

PDF, 198 KB

english, 2008

30

A new alkyltin (IV)-mediated coupling reaction of aldehydes to olefins

Yasuhiro Torisawa, Masakatsu Shibasaki, Shiro Ikegami

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 245 KB

english, 1981

31

An efficient conversion of 5-nitroisatin into 5-nitroindole derivative

Yasuhiro Torisawa, Takao Nishi, Jun-Ichi Minamikawa

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2001

Language:

english

File:

PDF, 172 KB

english, 2001

32

Beneficial effect of cesium salts on Pd-catalyzed hydroxycarbonylation

Yasuhiro Torisawa, Takao Nishi, Jun-ichi Minamikawa

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2000

Language:

english

File:

PDF, 110 KB

english, 2000

33

Practical Synthesis of (E)-Pent-3-en-2-one and Its Conversion to (E)-2-Triethylsilyloxypenta-1,3-diene

Arisawa, Mitsuhiro, Torisawa, Yasuhiro, Nakagawa, Masako

Journal:

Year:

1995

File:

PDF, 170 KB

1995

34

Convenient method for the addition of disulfides to alkenes

Noriyuki Yamagiwa, Yutaka Suto, Yasuhiro Torisawa

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2007

Language:

english

File:

PDF, 157 KB

english, 2007

35

ChemInform Abstract: Interesting Reaction of the Indanone Oximes under Beckmann Rearrangement Conditions.

Yasuhiro Torisawa, Takao Nishi, Jun-ichi Minamikawa

Journal:

Year:

2002

File:

PDF, 29 KB

2002

36

A total synthesis of manzamine c

Yasuhiro Torisawa, Akihiro Hashimoto, Masako Nakagawa, Tohru Hino

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 119 KB

english, 1989

37

SYNTHESIS OF THE SULFUR ANALOG OF Δ 6 -PGI 1

Shibasaki, Masakatsu, Torisawa, Yasuhiro, Ikegami, Shiro

Journal:

Chemistry Letters

Year:

1980

Language:

english

File:

PDF, 6.73 MB

english, 1980

38

Synthetic study on the unique dimeric arylpiperazine: access to the minor contaminant of aripiprazole

Yasuhiro Torisawa, Koichi Shinhama, Takao Nishi, Jun-ichi Minamikawa

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2003

Language:

english

File:

PDF, 155 KB

english, 2003

39

Some aspects of NaBH4 reduction in NMP

Yasuhiro Torisawa, Takao Nishi, Jun-ichi Minamikawa

Journal:

Bioorganic & Medicinal Chemistry

Year:

2002

Language:

english

File:

PDF, 130 KB

english, 2002

40

Synthesis of a Novel Furan-Containing Tricyclic Prostacyclin Analogue

Ikegami, Shiro, Torisawa, Yasuhiro, Satoh, Katsumi

Journal:

Year:

1989

Language:

english

File:

PDF, 82 KB

english, 1989

41

Some Aspects of Sialic Acid Modification

Kiyoshi Ikeda, Masayuki Sato, Yasuhiro Torisawa

Journal:

Year:

2005

File:

PDF, 8 KB

2005

42

A new method for the conversion of aldehydes (RCH2CHO)to acetylenes (RC&.tbnd;CH) via 1-alkenylstannanes. Application to the synthesis of 9(O)-thia-Δ6-PGI1

Masakatsu Shibasaki, Yasuhiro Torisawa, Shiro Ikegami

Journal:

Tetrahedron Letters

Year:

1982

Language:

english

File:

PDF, 232 KB

english, 1982

43

On the novel reactivity of t-butyldimethylsilyl ether in prostaglandin synthesis: application to total synthesis of 11-epi-PGF2α

Yasuhiro Torisawa, Masakatsu Shibasaki, Shiro Ikegami

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 233 KB

english, 1979

44

Progress in arylpiperazine synthesis by the catalytic amination reaction

Yasuhiro Torisawa, Takao Nishi, Jun-ichi Minamikawa

Journal:

Bioorganic & Medicinal Chemistry

Year:

2002

Language:

english

File:

PDF, 140 KB

english, 2002

45

A Novel Thiolate Mediated Cyclization to OPC-15161

Koichi Shinhama, Katsuhide Matoba, Yasuhiro Torisawa, Jun-ichi Minamikawa

Journal:

Year:

2000

Language:

english

File:

PDF, 135 KB

english, 2000

46

ChemInform Abstract: Improved Pinner Reaction with CPME as a Solvent.

Kiyoshi Watanabe, Naoto Kogoshi, Hideaki Miki, Yasuhiro Torisawa

Journal:

Year:

2009

File:

PDF, 20 KB

2009

47

An efficient protocol for the selective reduction of benzenesulfonyllactam to benzenesulfonyl cyclic amine

Toshihiro Hosaka, Yasuhiro Torisawa, Masako Nakagawa

Journal:

Tetrahedron Letters

Year:

1997

Language:

english

File:

PDF, 208 KB

english, 1997

48

Synthesis of a tetracyclic substructure of manzamine A via the Diels-Alder reaction of dihydropyridinones

Yasuhiro Torisawa, Toshihiro Hosaka, Kiyoshi Tanabe, Naoko Suzuki, Yumiko Motohashi, Tohru Hino, Masako Nakagawa

Journal:

Year:

1996

Language:

english

File:

PDF, 690 KB

english, 1996

49

Lewis Acid-Promoted Coupling Reactions of Acid Chlorides with Organoaluminum and Organozinc Reagents

Arisawa, Mitsuhiro, Torisawa, Yasuhiro, Kawahara, Michiaki, Yamanaka, Masamichi, Nishida, Atsushi, Nakagawa, Masako

Journal:

Journal of Organic Chemistry

Year:

1997

Language:

english

File:

PDF, 116 KB

english, 1997

50

Synthesis of 11-deoxo-11-methylene-prostaglandin D2 and its derivatives.

Torisawa, Yasuhiro, Yamaguchi, Toyofumi, Sakata, Shinji, Ikegami, Shiro

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1985

File:

PDF, 366 KB

1985

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